8 Free Browser Tools I Use Daily as a Freelance Developer (All in One Place, No Login, Works instantly)

Source: Dev.to

Most “free tool” sites are either ad‑riddled, break on large files, or gate basic features behind a signup. I spent way too long cycling through them before landing on one that actually works for my day‑to‑day.

Everything below is from ToolsUp.net — a browser‑based toolkit I keep open in a pinned tab. No account, no upload limits, nothing installed.

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Tools

Image Converter — WebP conversion that handles real files

The Image Converter on ToolsUp handles JPG, PNG, and WebP conversions in‑browser. It works on large files without timing out, supports bulk conversion, and never uploads anything to a server. I use this before almost every client handoff that involves images.

Screenshot Beautifier — For sharing work that actually looks good

Adds background gradients, padding, and device frames around your screenshot in about 10 seconds. The result looks like you spent minutes polishing it in a design tool. Great for Slack messages, proposals, or dev.to posts.

JSON Formatter — Validate and read API responses like a human

Formats, validates, and beautifies raw JSON blobs instantly in the browser. Handy when you’re reviewing an API response, debugging a webhook, or checking a log outside of your IDE.

GitHub Profile Generator — Build a README that doesn’t embarrass you

A visual editor for creating a polished README.md for your GitHub profile. Choose sections, fill in your info, and copy the clean Markdown output.

Password Generator — Custom, strong, done

Generate passwords client‑side with control over length and character sets. Ideal for staging environments, database users, API keys, and test accounts.

Lorem Ipsum Generator — Placeholder text without leaving the browser

Spits out as many paragraphs, sentences, or words as you need with a single click. Perfect for layout mockups, component demos, or any situation that requires filler text.

SQL Formatter — Readable queries, fast

Takes a dense, unindented SQL query and formats it cleanly, making debugging, migration reviews, and legacy code comprehension much easier.

Base64 Converter + URL Encoder — The ones you always Google

• Base64 Converter – Encode/decode in‑browser.
• URL Encoder/Decoder – Handle special characters without guessing.

These utilities are the “search‑three‑times‑a‑week” tools you never remember to bookmark.

Why one site instead of eight tabs

I got tired of maintaining a graveyard of single‑purpose bookmarks. Half of them go down, get paywalled, or start nagging you to “create a free account to continue.”

ToolsUp offers enough coverage that I can handle most one‑off tasks without hunting for a new tool. Image work, developer utilities, text tools, PDF stuff—it’s all there, it runs fast, and nothing asks for my email.

If you haven’t checked it in a while, it’s grown a lot — there’s also an AI Image Detector, Background Remover, Color Picker, and a bunch of social‑media formatters I use less but are solid.

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What tools are missing from your workflow that you wish existed as a browser‑based, no‑login version? Drop it in the comments.